CN213839477U - Bidirectional clutch mechanism with reset function and gear box - Google Patents
Bidirectional clutch mechanism with reset function and gear box Download PDFInfo
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- CN213839477U CN213839477U CN202022533920.3U CN202022533920U CN213839477U CN 213839477 U CN213839477 U CN 213839477U CN 202022533920 U CN202022533920 U CN 202022533920U CN 213839477 U CN213839477 U CN 213839477U
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Abstract
The utility model provides a two-way clutch mechanism with reset function, including connecting piece, separation and reunion axle, damping piece, separation and reunion gear, driving gear, transmission shaft and driven gear, the driving gear is installed on the transmission shaft, the one end of connecting piece with the transmission shaft rotates to be connected, the other end of connecting piece with separation and reunion axle fixed connection, separation and reunion gear is installed on the separation and reunion axle, the damping piece suit in on the separation and reunion axle and lieing in between separation and reunion axle, the separation and reunion gear with the driving gear meshes mutually, works as when separation and reunion gear with driven gear does not mesh under the effect of damping piece, separation and reunion gear is not from the rotation, be equipped with the reset wedge face on the connecting piece. The utility model also provides a gear box. The utility model has the advantages that: the reset wedge surface is arranged on the connecting piece, so that the problem that the motor cannot be reversely driven and disconnected in case of sudden abnormal conditions, power failure and other emergency situations is effectively solved.
Description
Technical Field
The utility model relates to a mechanical transmission especially relates to a two-way clutch mechanism and gear box with reset function.
Background
The micro gear transmission is widely applied to various fields as a precise transmission mode, but is often realized by combining a clutch structure due to the requirements of different application scenes. The existing gear clutch structure comprises a driving gear, a planet carrier, two planet gears, an output gear and other parts, can realize forward-drive bidirectional normal transmission and reverse-drive automatic disconnection transmission effect, but the phenomenon of unstable reverse-drive disconnection often occurs in the practical application process, so that the prior art adopts a control program to control a motor to reversely rotate slightly when the motor is in forward-drive stop every time, and the mode can meet reverse-drive disconnection when the motor normally works, but cannot meet reverse-drive disconnection when the motor is in emergency, abnormal power failure and other emergency situations.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a two-way clutch mechanism and gear box with reset function.
The invention provides a bidirectional clutch mechanism with a reset function, which comprises a connecting piece, a clutch shaft, a damping piece, a clutch gear, a driving gear, a transmission shaft and a driven gear, wherein the driving gear is arranged on the transmission shaft, one end of the connecting piece is rotatably connected with the transmission shaft, the other end of the connecting piece is fixedly connected with the clutch shaft, the clutch gear is arranged on the clutch shaft, the damping piece is sleeved on the clutch shaft and positioned between the clutch shaft and the clutch gear, the clutch gear is meshed with the driving gear, when the clutch gear is not meshed with the driven gear, the clutch gear does not rotate under the action of the damping piece, and a reset wedge surface is arranged on the connecting piece.
As a further improvement of the present invention, the two-way clutch mechanism with the reset function further includes a clutch member with a reset wedge surface matched with.
As a further improvement of the present invention, the clutch member includes a hand-held portion and a clutch portion, the end of the clutch portion is provided with a reset wedge block with a reset wedge surface matched with the reset wedge surface.
As a further improvement of the utility model, the clutch shaft and the transmission shaft are parallel.
As a further improvement of the utility model, the damping piece is an elastic piece.
As a further improvement of the utility model, the damping piece is a rubber ring.
The utility model also provides a gear box, include as above-mentioned any one the two-way clutch mechanism with reset function.
As a further improvement of the utility model, the gear box still includes box, driving piece, driven shaft, power output shaft and output gear, the driving piece is fixed on the box, the driving piece with the driving gear passes through gear drive and connects, driven gear installs on the driven shaft, output gear installs power output shaft is last, driven gear with output gear passes through gear drive and connects, be equipped with on the box with the scarf matched with that resets jack resets, it is equipped with sealed lid on the jack that resets.
As a further improvement of the utility model, the driving piece is connected with first drive gear, install second drive gear on the transmission shaft, first drive gear with second drive gear meshes mutually.
As a further improvement of the present invention, an intermediate driven gear is installed on the driven shaft, and the intermediate driven gear is engaged with the output gear.
The utility model has the advantages that: through above-mentioned scheme, set up the wedge face that resets on the connecting piece, effectively solved the problem that can't the anti-drive disconnection when the motor unexpected unusual, emergency such as outage.
Drawings
Fig. 1 is a schematic view of a gearbox insert clutch according to the present invention.
Fig. 2 is a schematic view of a gearbox according to the present invention.
Fig. 3 is a schematic view of a transmission of a gear box according to the present invention.
Fig. 4 is a schematic view of a connection piece of a gearbox according to the present invention.
Fig. 5 is a schematic view of a clutch of a gearbox according to the present invention.
Fig. 6 is a schematic view of a partial transmission of a gearbox according to the present invention.
Detailed Description
The present invention will be further described with reference to the following description and embodiments.
As shown in fig. 1 to 6, the gear box comprises a box body, a driving piece 1, a driven shaft 15, a power output shaft 17, an output gear 4 and a bidirectional clutch mechanism with a reset function.
The box includes casing 2 and apron 3, casing 2 is used for whole gear box and external component's fixed and gear box internal component's installation fixed, and apron 3 locks with casing 2 through modes such as screw for the gear box is in encapsulated situation.
The driving member 1, which may be preferably a motor, is fixedly mounted on the housing 2, and is electrically connected with an external circuit through a terminal wire to provide power, so that the clockwise and counterclockwise rotation of the driving member 1 is realized through program control.
The corresponding position of casing 2 is provided with the jack 19 that resets, and the jack 19 surface that resets is provided with sealed lid, can realize the sealed protection of gear box.
The bidirectional clutch mechanism with the reset function comprises a connecting piece 9, a clutch shaft 10, a damping piece 12, a clutch gear 11, a driving gear 13, a transmission shaft 8, a driven gear 14 and a clutch piece 18.
The connecting piece 9 is provided with a reset wedge surface 20 at a corresponding position, and the position of the reset wedge surface 20 corresponds to the reset jack 19 on the shell 2.
The transmission shaft 8 is fixedly arranged on the shell 2 and is arranged in parallel with the driving output shaft 6 of the driving piece 1.
A first driving gear 5 is arranged on a driving output shaft 6 of the driving piece 1.
The first driving gear 5 is meshed with the second driving gear 7, and the first driving gear 5 is fixedly arranged on a driving output shaft 6 of the driving piece 1 and used for transmitting the power of the driving piece 1.
One end of the connecting piece 9 is rotatably connected with the transmission shaft 8, the other end of the connecting piece 9 is fixedly connected with the clutch shaft 10, and the lower end of the clutch shaft 10 is provided with a limiting piece.
The clutch gear 11 is mounted on the clutch shaft 10, the damping member 12 is sleeved on the clutch shaft 10 and located between the clutch shaft 10 and the clutch gear 11, the clutch gear 11 is engaged with the driving gear 13, and when the clutch gear 11 is not engaged with the driven gear 14, the clutch gear 11 does not rotate under the action of the damping member 12.
The clutch shaft 10 is parallel to the transmission shaft 8.
The damping member 12 is preferably an elastic member.
The damping member 12 is preferably a rubber ring.
The driven gear 14 and the intermediate driven gear 16 are respectively installed on a driven shaft 15, the output gear 4 is installed on a power output shaft 17, the intermediate driven gear 16 is meshed with the output gear 4, the driven gear 14 and the intermediate driven gear 16 can be preferably a duplicate gear or can be separately fixedly assembled, and the intermediate driven gear 16 can be driven by the driven shaft 15 to rotate.
The driving output shaft 6, the transmission shaft 8, the clutch shaft 10, the driven shaft 15 and the power output shaft 17 of the driving piece are parallel.
The output gear 4 is used for outputting power.
The clutch member 18 is provided separately, the clutch member 18 is provided with a hand-held portion 21 and a clutch portion 22, and the clutch portion 22 may be two or one, preferably two.
The utility model provides a pair of two-way clutch mechanism and gear box with reset function, its theory of operation as follows:
positive drive clockwise transmission: driving piece 1 clockwise work, output power, drive first drive gear 5 clockwise rotation, driving gear 13, second drive gear 7 rotates around 8 anticlockwise rotations of transmission shaft together, because of the existence of damping piece 12, before clutch gear 11 and driven gear 14 mesh, connecting piece 9, separation and reunion axle 10, damping piece 12 and clutch gear 11 rotate around 8 anticlockwise rotations of transmission shaft along with driving gear 13, until clutch gear 11 and driven gear 14 mesh, clutch gear 11 begins to rotate around separation and reunion axle 10 clockwise, drive driven gear 14 anticlockwise rotation, the realization is transmitted power to output gear 4 by driving piece 1, realize power take off.
Positive drive counterclockwise transmission: the anticlockwise work of driving piece 1, output power, drive first drive gear 5 anticlockwise rotation, driving gear 13, second drive gear 7 rotates around transmission shaft 8 clockwise together, because of the existence of damping piece 12, before clutch gear 11 and driven gear 14 mesh, connecting piece 9, separation and reunion axle 10, damping piece 12 and clutch gear 11 rotate around transmission shaft 8 clockwise along with driving gear 13, until clutch gear 11 and driven gear 14 mesh, clutch gear 11 begins to rotate around separation and reunion axle 10 anticlockwise, drive driven gear 14 clockwise, the realization is transmitted power to output gear 4 by driving piece 1, realize power take off.
Reverse drive counterclockwise/clockwise drive off: at each transmission stop, the driver 1 can be controlled to reversely and slightly drive, so that the clutch gear 11 is disconnected from the driven gear 14, the driven gear 14 is in an idle rotation state no matter the driven gear 14 rotates anticlockwise or clockwise, and the transmission disconnection of the driven gear 14 to the driver 1 is realized.
Reverse drive counterclockwise/clockwise drive disconnect in emergency: when the motor is in an abnormal emergency or power failure, the program control fails, the clutch gear 11 cannot be normally disconnected, at the moment, the sealing cover on the shell 2 is opened, the clutch part 18 is inserted into the reset jack 19 of the shell 2, the clutch part 18 is in contact and butt joint with the reset wedge surface 20 of the connecting part 9, the connecting part 9 is bounced off, the disconnection of the clutch gear 11 is realized, the clutch part 18 is pulled out, and the sealing cover is covered.
The utility model provides a bidirectional clutch mechanism with reset function and a gear box, which greatly reduces the cost on the basis of ensuring the realization of the clutch function; the arrangement of the reset wedge surface 20 of the connecting piece 9 effectively solves the problem that the back drive disconnection cannot be realized when the motor is in emergency such as abnormal emergency, power failure and the like; the setting of sealing member on casing 2 guarantees the leakproofness of casing when guaranteeing pleasing to the eye degree, prevents that the foreign matter from getting into the gear box, and in addition, this scheme only is emergent scheme, and frequency of use is less, so adopt hidden design, reduce unnecessary problem and appear, improve reliability, the security of mechanism.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The utility model provides a two-way clutching mechanism with reset function which characterized in that: the clutch device comprises a connecting piece, a clutch shaft, a damping piece, a clutch gear, a driving gear, a transmission shaft and a driven gear, wherein the driving gear is installed on the transmission shaft, one end of the connecting piece is rotatably connected with the transmission shaft, the other end of the connecting piece is fixedly connected with the clutch shaft, the clutch gear is installed on the clutch shaft, the damping piece is sleeved on the clutch shaft and is positioned between the clutch shaft and the clutch gear, the clutch gear is meshed with the driving gear, when the clutch gear is not meshed with the driven gear, the clutch gear does not rotate under the action of the damping piece, and a reset wedge surface is arranged on the connecting piece.
2. The bidirectional clutch mechanism with a reset function according to claim 1, characterized in that: the bidirectional clutch mechanism with the reset function further comprises a clutch piece matched with the reset wedge surface.
3. The bidirectional clutch mechanism with a reset function according to claim 2, characterized in that: the clutch piece comprises a handheld part and a clutch part, and the tail end of the clutch part is provided with a reset wedge block matched with the reset wedge surface.
4. The bidirectional clutch mechanism with a reset function according to claim 1, characterized in that: the clutch shaft is parallel to the transmission shaft.
5. The bidirectional clutch mechanism with a reset function according to claim 1, characterized in that: the damping member is an elastic member.
6. The bidirectional clutch mechanism with a reset function according to claim 1, characterized in that: the damping piece is a rubber ring.
7. A gearbox, characterized by: the bidirectional clutch mechanism with the reset function according to any one of claims 1 to 6 is included.
8. The gearbox of claim 7, wherein: the gearbox further comprises a box body, a driving piece, a driven shaft, a power output shaft and an output gear, wherein the driving piece is fixed on the box body, the driving piece is connected with the driving gear through gear transmission, the driven gear is installed on the driven shaft, the output gear is installed on the power output shaft, the driven gear is connected with the output gear through gear transmission, a reset jack matched with a reset wedge surface is arranged on the box body, and a sealing cover is arranged on the reset jack.
9. The gearbox of claim 8, wherein: the driving piece is connected with a first driving gear, a second driving gear is installed on the transmission shaft, and the first driving gear is meshed with the second driving gear.
10. The gearbox of claim 8, wherein: and the driven shaft is provided with an intermediate driven gear, and the intermediate driven gear is meshed with the output gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022533920.3U CN213839477U (en) | 2020-11-05 | 2020-11-05 | Bidirectional clutch mechanism with reset function and gear box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022533920.3U CN213839477U (en) | 2020-11-05 | 2020-11-05 | Bidirectional clutch mechanism with reset function and gear box |
Publications (1)
Publication Number | Publication Date |
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CN213839477U true CN213839477U (en) | 2021-07-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202022533920.3U Active CN213839477U (en) | 2020-11-05 | 2020-11-05 | Bidirectional clutch mechanism with reset function and gear box |
Country Status (1)
Country | Link |
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CN (1) | CN213839477U (en) |
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2020
- 2020-11-05 CN CN202022533920.3U patent/CN213839477U/en active Active
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